SERTO unions consist of a base part, compression ferrule, connection nut and stiffener sleeve. We recommend the stif-fener sleeves for thin-walled tubes and plastic hoses because they stabilise the tube inner wall and provide enough resi-stance for necking.
In contrast to products from other suppliers, where the nut and the base part interlock conically, SERTO unions seal on the ﬂat metal surfaces that are pressed together.
SERTO offers compression ferrule unions with a metal-to-metal seal and radial mounting. The unbeatable advantages of this union are: